It's to bad Waldron wasnt around to answer this.
I think Buck is the inbred Dolly breeding.Those tater dogs dont look anything like the buck dogs.And PP cant be trusted in respect to the papers.The only reason why the ped was changed was to get more sales down from the bolio blood PP was putting out there.
The keno dogs are identical to buck .And 4 generations later the keno dogs still look like him.

Just My Two Cents